Answers

Subtract 9/49 from 27/20

1^st number: 1 7/20, 2^nd number: 9/49

27/20 - 9/49 is 1143/980.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 49 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 20 × 49 = 980,
   27/20 = 27 × 49/20 × 49 = 1323/980
3. Likewise, for the 2nd fraction, since 49 × 20 = 980,
   9/49 = 9 × 20/49 × 20 = 180/980
4. Subtract the two like fractions:
   1323/980 - 180/980 = 1323 - 180/980 = 1143/980
5. In mixed form: 1163/980

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